* {
  margin: 0;
  padding: 0;
}

#score-input {
  margin-left: 50px;
  margin-top: 50px;
  margin-bottom: 50px;
}

.box {
  width: 400px;
  height: 400px;
  border: 1px solid blue;
  margin-left: 50px;
  position: relative;
  overflow: hidden;
}

.box .game {
  position: absolute;
  left: 0;
  top: -50px;
}

.box .game .row {
  display: flex;
}

.box .game .row .col {
  width: 100px;
  height: 100px;
  border: 1px solid #808080;
  box-sizing: border-box;
}

.box .game .row .col.black {
  background: black;
}
